Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382949 | Shaft coupling structure | Tetsuzo Ishikawa, Yoshitaka Shizu, Sakae Mitsufuji, Shinichi Nishibe | 2016-07-05 |
| 9331545 | Rotation apparatus including motor and speed reducer | Sakae Mitsufuji, Shinichi Nishibe, Tetsuzo Ishikawa | 2016-05-03 |
| 9200677 | Shaft coupling structure | Shinichi Nishibe, Tetsuzo Ishikawa, Sakae Mitsufuji, Yoshitaka Shizu | 2015-12-01 |